Transfer Switch Manual

Installation
Automatic Transfer Switch Owner’s Manual 9
3.6 — Auxiliary Contacts
If desired, there are Auxiliary Contacts on the transfer
switch to operate customer accessories, remote advisory
lights, or remote annunciator devices. A suitable power
source must be connected to the common terminal (D).
See Figure 3-2.
Contact operation is shown in the following chart:
NOTE: Auxiliary Contacts are rated 10 amps at 125 or
250 volts AC.
Figure 3-2. Auxiliary Contacts
Switch Position
Utility Standby
Common to Normally Open Open Closed
Common to Normally Closed Closed Open
A Auxiliary Contact (Actuated)
B Auxiliary Contact (Non-Actuated)
C Single Contact (Utility Position)
D Common Terminal
E Normally Open Terminal
F Normally Closed Terminal
(000134)
CAUTION
Equipment damage. Exceeding rated voltage and
current will result in damage to the auxiliary contacts.
000140
A
B
D
E
F
C